A repellent fails if a mosquito bites ... "If you’re concerned about using DEET, consider this, CR’s ratings include over 50 ...

Best mosquito repellent products: sprays, creams, patches reviewed - Want an itch-free summer? See our edit of the best ...

Here's how long common active ingredients will last: The majority of popular bug-spray brands, such as Off, contain N,N-diethyltoluamide, more commonly referred to as DEET, as their active ingredient.